2015560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 4649400

約数和(自身を除く): 2633840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1229, 1640, 2458, 4916, 6145, 9832, 12290, 24580, 49160, 50389, 100778, 201556, 251945, 403112, 503890, 1007780, 2015560]

約数ペア:

[(1, 2015560), (2, 1007780), (4, 503890), (5, 403112), (8, 251945), (10, 201556), (20, 100778), (40, 50389), (41, 49160), (82, 24580), (164, 12290), (205, 9832), (328, 6145), (410, 4916), (820, 2458), (1229, 1640)]